2. POLYCRYSTALLINE MATERIALS Growth of the crystallites; the obstruction of some grains that are adjacent to one another Upon completion of solidifica
{"Image DocumentName": "2. Polycrystalline Materials", "Image ImageDescription": "Growth of the crystallites; the obstruction of some grains that are adjacent to one another. Upon completion of solidification, grains having irregular shapes have formed. The grain structure as it would appear under the microscope; dark lines are the grain boundaries. there exists some atomic mismatch within the region where two grains meet; this area, called a grain boundary. 1. The small grains grow by the successive addition from the surrounding liquid of atoms to the structure of each \u2026 \u2026 The extremities. of adjacent grains impinge on one another as the solidification process approaches completion \u2026 The crystallographic orientation varies from grain to grain.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}